53640326 has 4 divisors (see below), whose sum is σ = 80460492. Its totient is φ = 26820162.

The previous prime is 53640319. The next prime is 53640329. The reversal of 53640326 is 62304635.

53640326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53640329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13410080 + ... + 13410083.

It is an arithmetic number, because the mean of its divisors is an integer number (20115123).

Almost surely, 2^53640326 is an apocalyptic number.

53640326 is a deficient number, since it is larger than the sum of its proper divisors (26820166).

53640326 is a wasteful number, since it uses less digits than its factorization.

53640326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26820165.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 53640326 is about 7323.9556252069. The cubic root of 53640326 is about 377.1352581250.

The spelling of 53640326 in words is "fifty-three million, six hundred forty thousand, three hundred twenty-six".